Section 192.440 - Unregistered use or possession of radiation producers unlawful - use or possession contrary to law or regulations unlawful1. It is unlawful for any person to produce radiation, or produce, use, store or dispose of radioactive materials or radiation machines, or to modify, extend or alter these activities unless he registers in writing with the department of health and senior services in accordance with the procedures prescribed by the department, except that the department may exempt from registration certain classes of radiation machines or radioactive materials known to be without hazard.2. It is unlawful for any person to produce radiation, or to produce, use, store or dispose of radioactive materials or radiation machines except in accordance with sections 192.400 to 192.490 and the rules and regulations adopted pursuant to these sections.